/*
 * Copyright (C) 2011 Urals State University,
 * Department of Mathematics and Mechanics
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package ru.edu.usu.cs.bubbles.representations;

import ru.edu.usu.cs.bubbles.engine.Wall;
import ru.edu.usu.cs.bubbles.utils.Graphics;
import android.graphics.Canvas;

public class WallRepresentation extends EntityRepresentation {
	private Wall objectToRepresent;

	// private String TAG = "WallRepresentation";

	/**
	 * throw NullPointerException, если wall == null
	 * 
	 * @param wall
	 */
	public WallRepresentation(Wall wall) {

		if (wall == null) {
			throw new NullPointerException("try represent null");
		}

		objectToRepresent = wall;
		image = Graphics.WallImage;
	}

	@Override
	public void draw(Canvas canvas) {
		int x = (int) objectToRepresent.getPosition().x;
		int y = (int) objectToRepresent.getPosition().y;
		int angle = (int) (objectToRepresent.angle * 180 / Math.PI);
		int half_height = (int) (objectToRepresent.height / 2);
		int half_width = (int) (objectToRepresent.width / 2);
		canvas.save();
		canvas.rotate(angle, x, y);
		image.setBounds(x - half_width, y - half_height, x + half_width, y
				+ half_height);
		// set transparency for ice wall
		// 2 ways: various image and image.setAlpha() and need information from
		// controllers
		image.draw(canvas);
		canvas.restore();

	}

	@Override
	public void playDestructionAnimation() {
		// TODO Auto-generated method stub

	}

}
